CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2021		Sep. 30, 2020		Sep. 30, 2021	Sep. 30, 2020
Total Revenues	$ 11,624		$ 10,540		$ 34,400	$ 31,450
Cost of products sold	2,291	[1]	2,502	[1]	7,584	8,863
Marketing, selling and administrative	1,788		1,706		5,336	4,940
Research and development	3,251		2,499		8,747	7,393
Amortization of acquired intangible assets	2,546		2,491		7,606	7,162
Other (income)/expense, net	(409)		(915)		(1,113)	(488)
Total Expenses	9,467		8,283		28,160	27,870
Earnings Before Income Taxes	2,157		2,257		6,240	3,580
Provision for Income Taxes	605		379		1,598	2,548
Net Earnings/(Loss)	1,552		1,878		4,642	1,032
Noncontrolling Interest	6		6		20	20
Net Earnings/(Loss) Attributable to BMS	$ 1,546		$ 1,872		$ 4,622	$ 1,012
Earnings/(Loss) Per Share, Basic	$ 0.70		$ 0.83		$ 2.08	$ 0.45
Earnings/(Loss) Per Share, Diluted	$ 0.69		$ 0.82		$ 2.05	$ 0.44
Net product sales [Member]
Total Revenues	$ 11,243		$ 10,197		$ 33,446	$ 30,555
Alliance and other revenues [Member]
Total Revenues	$ 381		$ 343		$ 954	$ 895

[1] Excludes amortization of acquired intangible assets